Answer:
The answer is explained below.
Step-by-step explanation:
In the excerpt, the speaker uses a type of repetition, which is a rhetorical device that repeats the same words or phrases a few time; there are many types and in this case, the repetition is used as an onomatopoeia, a device that recreates the sound of an animal or an object, in this case, it reinforces the idea of movement through the s and sh.